CN114274049A - Electric tool dust collection structure and handheld electric sander with same - Google Patents
Electric tool dust collection structure and handheld electric sander with same Download PDFInfo
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- CN114274049A CN114274049A CN202210019779.6A CN202210019779A CN114274049A CN 114274049 A CN114274049 A CN 114274049A CN 202210019779 A CN202210019779 A CN 202210019779A CN 114274049 A CN114274049 A CN 114274049A
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Abstract
The invention discloses a dust collection structure of an electric tool and a handheld electric sander with the same, and belongs to the field of electric tools. The invention relates to a dust collection structure of an electric tool, which comprises an electric tool main body and a dust collection pipe, wherein the electric tool main body is provided with a dust collection channel and an insertion hole, the dust collection pipe comprises an insertion bolt matched with the insertion hole and a connector pipe arranged on one side of the insertion bolt, the insertion bolt is provided with a dust collection port communicated with the connector pipe, the dust collection pipe is detachably arranged in the insertion hole through the insertion bolt, and the dust collection port on the insertion bolt is communicated with the dust collection channel of the electric tool main body. The dust suction pipe can be flexibly assembled on the electric tool, and is beneficial to the compact design of the electric tool; the plug-in bolt of dust absorption pipe can follow the left and right sides and peg graft the cooperation with the spliced eye, can reduce the dust absorption pipe on the one hand and to the occupation of electric tool handle space, and on the other hand can change the direction of dust absorption pipe according to user's use custom and in-service use occasion, makes electric tool use more convenient.
Description
Technical Field
The invention relates to the field of electric tools, in particular to a dust suction structure of an electric tool and a handheld electric sander with the dust suction structure.
Background
With the rapid development of manufacturing technology, electric tools are widely used. There are many kinds of electric tools, and the common electric tools include electric drills, electric wrenches, electric hammers, impact drills, electric grinders, and the like, and many electric tools generate dust during use, so that dust collection treatment is required. For example, the existing electric sanding machine, which is a grinding and polishing tool, generates a lot of dust when in use, and if the dust is not cleaned in time, the dust will pollute the working environment and also affect the polishing effect. Therefore, most of the existing electric sanding machines are provided with dust collection designs, and dust collection treatment is synchronously carried out in the using process of the sanding machine.
For example, the electric tools are provided with a dust suction device, such as an "electric hand grinder" disclosed in chinese patent No. ZL97102874.5, an "oscillating grinder" disclosed in chinese patent No. ZL97190409.x, and a "bottom plate for a self-suction triangular palm sander capable of rotating 360 °, which is disclosed in chinese patent No. ZL 201510036634.7. Moreover, the dust collection channel is fixed in position, and some dust collection channels are arranged at the rear part of the electric tool, but the dust collection channel occupies the space of the handle of the electric tool, so that the height of the electric tool is increased, the handheld operation of a user is influenced, and the dust collection channel is easily blocked due to the flat design; some dust absorption channels are arranged on the side surface of the electric tool, so that blocking is easy to occur when the dust absorption channels are used at some included angle positions, polishing dead angles exist, and flexible operation of the electric tool is influenced.
In view of the above problems in the prior art, there is a need for a dust collecting structure that can be flexibly assembled for use to facilitate the operation of the electric tool.
Disclosure of Invention
1. Technical problem to be solved by the invention
The invention aims to overcome the defects of the existing dust collection structure of the electric tool and provides the dust collection structure of the electric tool and the handheld electric sander with the same, and by adopting the technical scheme of the invention, the inserting hole communicated with the dust collection channel is arranged on the main body of the electric tool, and the detachable dust collection pipe is arranged on the inserting hole, so that the dust collection pipe can be flexibly assembled on the electric tool, the flexible arrangement of the dust collection structure on the electric tool is convenient, and the compact design of the electric tool is facilitated; furthermore, the inserting bolt of the dust collection pipe can be matched with the inserting hole in an inserting mode from the left side and the right side, on one hand, the occupied space of the handle of the electric tool by the dust collection pipe can be reduced, the electric tool is more flexible in handheld operation, on the other hand, the direction of the dust collection pipe can be changed according to the use habits and practical use occasions of users, and the electric tool is more convenient to use.
2. Technical scheme
In order to achieve the purpose, the technical scheme provided by the invention is as follows:
the invention relates to a dust collection structure of an electric tool, which comprises an electric tool main body and a dust collection pipe, wherein the electric tool main body is provided with a dust collection channel and an insertion hole communicated with the dust collection channel, the dust collection pipe comprises an insertion bolt matched with the insertion hole and a connector pipe arranged on one side of the insertion bolt, the insertion bolt is provided with a dust collection port communicated with the connector pipe, the dust collection pipe is detachably arranged in the insertion hole of the electric tool main body through the insertion bolt, and the dust collection port on the insertion bolt is communicated with the dust collection channel of the electric tool main body.
Furthermore, the plug-in hole penetrates through the electric tool main body from left to right, and the plug-in bolt can be in plug-in fit with the plug-in hole from left to right and keeps the dust suction port communicated with the dust suction channel.
Furthermore, the dust suction port is an upper through hole and a lower through hole, an upper hole wall is arranged in the inserting hole, and after the inserting bolt is inserted into the inserting hole, an opening of one side of the dust suction port, which is far away from the dust suction channel, is sealed by the upper hole wall.
Furthermore, the included angle alpha between the axis of the joint pipe and the handle neutral plane of the electric tool main body is 30-90 degrees.
Furthermore, a buckling structure is arranged between the inserting bolt and the inserting hole.
Furthermore, the buckling structure comprises a clamping groove arranged on the inner side wall of the inserting hole and a boss arranged on the outer side wall of the inserting bolt, and after the inserting bolt is inserted into the inserting hole, the boss is clamped into the corresponding clamping groove.
Furthermore, the inner side wall of the insertion hole is also provided with a guide groove extending along the insertion direction, and the outer side wall of the insertion bolt is also provided with a guide rib matched with the guide groove.
Furthermore, the opening side of the inserting hole is also provided with a limiting step, and the connecting end of the inserting bolt and the joint pipe is also provided with a shoulder matched with the limiting step.
Furthermore, the dust collector also comprises a blocking plug for replacing the dust collecting pipe, and the blocking plug is matched with the plug hole and is detachably arranged in the plug hole.
The invention relates to a handheld electric sander with the dust collection structure of the electric tool, which comprises a sander main body and a dust collection pipe, wherein the sander main body comprises a shell, a driving mechanism arranged in the shell and a working head in transmission connection with the driving mechanism, the working head is provided with a plurality of dust collection holes and a connecting port communicated with the dust collection holes, the connecting port is connected with the shell through a corrugated hose, the shell is provided with an insertion hole, the inner side of the insertion hole is provided with a communicating hole communicated with the pipe orifice of the corrugated hose, the dust collection hole, the connecting port, the corrugated hose and the communicating hole form a dust collection channel, the dust collection pipe is detachably arranged in the insertion hole through an insertion bolt, and the dust collection hole on the insertion bolt is communicated with the communicating hole.
3. Advantageous effects
Compared with the prior art, the technical scheme provided by the invention has the following remarkable effects:
(1) the invention relates to a dust collection structure of an electric tool, which comprises an electric tool main body and a dust collection pipe, wherein the electric tool main body is provided with a dust collection channel and an insertion hole communicated with the dust collection channel; the inserting hole communicated with the dust collection channel is formed in the electric tool main body, and the detachable dust collection pipe is mounted on the inserting hole, so that the dust collection pipe can be flexibly assembled on the electric tool, the flexible arrangement of a dust collection structure on the electric tool is facilitated, and the compact design of the electric tool is facilitated;
(2) according to the dust collection structure of the electric tool, the insertion hole penetrates through the main body of the electric tool from left to right, the insertion bolt can be in insertion fit with the insertion hole from the left side and the right side, and the dust collection port is communicated with the dust collection channel, so that on one hand, the occupation of the dust collection pipe on the handle space of the electric tool can be reduced, the electric tool is more flexible to handle and operate, on the other hand, the direction of the dust collection pipe can be changed according to the use habits and actual use occasions of users, and the electric tool is more convenient to use;
(3) according to the dust collection structure of the electric tool, the dust collection port is the upper through hole and the lower through hole, the upper hole wall is arranged in the inserting hole, after the inserting bolt is inserted into the inserting hole, the opening of the dust collection port, which is away from one side of the dust collection channel, is sealed by the upper hole wall, and the upper through hole and the lower through hole are designed, so that the dust collection pipe can be installed on the electric tool in a positive and negative mode, and the arrangement of the dust collection pipe is more flexible;
(4) according to the dust collection structure of the electric tool, the included angle alpha between the axis of the joint pipe and the handle neutral plane of the electric tool main body is 30-90 degrees, and the dust collection pipe is arranged on the side surface of the electric tool and cannot interfere with the operation handle, so that the electric tool is more convenient to operate;
(5) according to the dust collection structure of the electric tool, the buckling structure is further arranged between the inserting bolt and the inserting hole, so that the dust collection pipe and the electric tool are more stably installed; the buckling structure comprises a clamping groove arranged on the inner side wall of the inserting hole and a boss arranged on the outer side wall of the inserting bolt, and the buckling structure is simple in structure and convenient to manufacture;
(6) according to the dust collection structure of the electric tool, the inner side wall of the insertion hole is also provided with the guide groove extending along the insertion direction, the outer side wall of the insertion bolt is also provided with the guide rib matched with the guide groove, the insertion bolt of the dust collection pipe is further convenient to be inserted and matched with the insertion hole by adopting the guide design, and the guide rib further improves the structural strength of the side wall of the insertion bolt;
(7) according to the dust collection structure of the electric tool, the opening side of the plug hole is also provided with the limiting step, the connecting end of the plug bolt and the connector pipe is also provided with the shoulder matched with the limiting step, and the limiting step and the shoulder are matched to form the step-shaped contact surface, so that the matching air tightness of the dust collection pipe and the plug hole is ensured, and dust can be prevented from leaking from the matching surface of the dust collection pipe and the plug hole;
(8) the invention relates to a dust collection structure of an electric tool, which also comprises a plugging plug for replacing a dust collection pipe, wherein the plugging plug is matched with the plug hole and detachably arranged in the plug hole, so that a user can freely select whether to use the dust collection function;
(9) the handheld electric sander is provided with the electric tool dust collection structure, a novel dust collection structure is provided for the sander, the sander is guaranteed to have a good dust collection function, the structure compactness of the sander is guaranteed, the electric sander is more flexible and convenient to operate, and meanwhile the problem that sanding dead angles occur in the sander due to interference of a dust collection pipe is avoided.
Drawings
FIG. 1 is a perspective view of a dust-collecting structure of an electric tool according to the present invention;
FIG. 2 is a schematic view of a dust collecting structure of an electric tool according to the present invention;
FIG. 3a is a schematic view of the installation structure of the dust suction pipe on the right side of the electric tool in the present invention;
FIG. 3b is a schematic view of the installation structure of the dust suction pipe on the left side of the electric tool in the present invention;
FIG. 4 is a schematic view of a hole of the electric tool of the present invention;
FIG. 5 is a schematic view of a dust suction pipe in a dust suction structure of an electric power tool according to the present invention;
FIG. 6 is a schematic view of a plug in a dust suction structure of an electric tool according to the present invention;
fig. 7 is a schematic top view of a hand-held electric sander with a dust-collecting structure according to the present invention;
fig. 8 is a schematic side view of a hand-held electric sander with a dust suction structure according to the present invention;
FIG. 9 is a schematic cross-sectional view taken along line A-A of FIG. 8;
fig. 10 is a schematic sectional view in the direction B-B in fig. 8.
The reference numerals in the schematic drawings illustrate:
1. a power tool main body; 1A, a shell; 1B, working head; 1B-1, a connecting port; 1C, corrugated hoses; 1-1, dust suction holes; 1-2, a dust collection channel; 1-3, inserting holes; 1-3-1, a guide groove; 1-3-2, a card slot; 1-3-3, intercommunicating pore; 1-3-4, a limit step; 1-3-5, upper hole wall; 2. a dust collection pipe; 2-1, inserting bolts; 2-1-1, a guide rib; 2-1-2, boss; 2-1-3, dust absorption port; 2-1-4, shoulder; 2-2, a joint pipe; 3. blocking; 3-1, plugging plug guide ribs; 3-2, plugging the plug boss.
Detailed Description
For a further understanding of the invention, reference should be made to the following detailed description taken in conjunction with the accompanying drawings and examples.
[ example 1]
Referring to fig. 1 to 6, the dust collection structure of the electric tool of the present embodiment includes an electric tool body 1 and a dust collection pipe 2, the electric tool body 1 is provided with a dust collection channel 1-2 and a plug hole 1-3 communicated with the dust collection channel 1-2, the dust collection pipe 2 includes a plug bolt 2-1 adapted to the plug hole 1-3 and a connector pipe 2-2 disposed at one side of the plug bolt 2-1, the plug bolt 2-1 is provided with a dust collection port 2-1-3 communicated with the connector pipe 2-2, the dust collection pipe 2 is detachably mounted in the plug hole 1-3 of the electric tool body 1 through the plug bolt 2-1, and the dust suction port 2-1-3 on the inserting bolt 2-1 is communicated with the dust suction channel 1-2 of the electric tool main body 1. The electric tool main body 1 and the dust collection pipe 2 adopt the assembly structure, the dust collection pipe 2 is inserted into the insertion hole 1-3 through the insertion bolt 2-1, so that the dust collection channel 1-2 of the electric tool is communicated with the dust collection pipe 2, the dust collection function of the electric tool can be realized through the dust collection pipe 2, the dust collection pipe 2 is flexibly assembled on the electric tool, the flexible arrangement of the dust collection structure on the electric tool is convenient, and the compact design of the electric tool is facilitated.
As shown in fig. 3a and 3b, in the present embodiment, the insertion hole 1-3 penetrates through the electric tool body 1 from left to right, and the insertion bolt 2-1 can be inserted into the insertion hole 1-3 from both left and right sides, and keeps the dust suction port 2-1-3 in communication with the dust suction passage 1-2. Fig. 3a shows a schematic view of the installation of the suction pipe 2 on the right side of the power tool; fig. 3b shows a schematic view of the installation of the suction pipe 2 on the left side of the power tool. The installation direction of the dust collection pipe 2 on the electric tool can be flexibly selected, the specific installation position can be adjusted according to the use habit of the left hand and the right hand of a user, and meanwhile, the position of the dust collection pipe 2 can be adjusted according to the use occasion. The dust absorption pipe 2 can reduce the occupation of dust absorption pipe 2 to electric tool handle space on the one hand at the above-mentioned mounting structure of electric tool both sides, makes electric tool handheld operation more nimble, and on the other hand can change the direction of dust absorption pipe according to user's use custom and in-service use occasion, makes electric tool use more convenient.
Further, as shown in fig. 4 and 5, in the present embodiment, the dust suction port 2-1-3 is preferably an upper through hole and a lower through hole, the insertion hole 1-3 has an upper hole wall 1-3-5 (see fig. 10), and after the insertion bolt 2-1 is inserted into the insertion hole 1-3, the opening of the dust suction port 2-1-3 on the side away from the dust suction channel 1-2 is closed by the upper hole wall 1-3-5. Therefore, the front surface and the back surface of the dust collection pipe 2 can be in splicing fit with the splicing holes 1-3, the installation direction of the dust collection pipe 2 does not need to be distinguished, the dust collection pipe 2 can be installed on an electric tool in a positive and negative mode, and the arrangement of the dust collection pipe 2 is more flexible. Especially, when the dust absorption pipe 2 is arranged backwards, the dust absorption pipe 2 can be conveniently arranged on two sides of the electric tool in a turnover mode.
As shown in fig. 7, in the dust suction structure of the electric tool of the present embodiment, the included angle α between the axis z1 of the joint tube 2-2 and the handle neutral plane m1 of the electric tool body 1 is 30 ° to 90 °, and further preferably, the included angle α between the axis z1 of the joint tube 2-2 and the handle neutral plane m1 of the electric tool body 1 is 70 °, so that the dust suction tube 2 is disposed at the side of the electric tool without interfering with the operation handle, thereby facilitating the operation of the electric tool. As shown in FIG. 5, the dust suction pipe 2 of the present embodiment is preferably an integral structure, i.e. the plug 2-1 and the adapter 2-2 are integrally formed by injection molding, and the axis z1 of the adapter 2-2 forms an angle with the plugging direction of the plug 2-1.
Furthermore, the plug bolt 2-1 penetrates the left side and the right side of the electric tool main body 1, a buckling structure is further arranged between the plug bolt 2-1 and the plug hole 1-3, and the plug bolt 2-1 can be locked through the buckling structure after being inserted into the plug hole 1-3, so that the dust collection pipe 2 and the electric tool are more stably installed. Preferably, as shown in fig. 4 and 5, the fastening structure includes a slot 1-3-2 disposed on an inner side wall of the insertion hole 1-3 and a boss 2-1-2 disposed on an outer side wall of the insertion bolt 2-1, and after the insertion bolt 2-1 is inserted into the insertion hole 1-3, the boss 2-1-2 is fastened into the corresponding slot 1-3-2, so that the structure is simple and the manufacture is convenient. The clamping groove 1-3-2 can be respectively provided with one position on the opposite side wall in the inserting hole 1-3, and the lug boss 2-1-2 is correspondingly provided with one position on the outer side wall of the inserting bolt 2-1. In order to facilitate the insertion and extraction of the dust absorption pipe 2, inclined planes are arranged on two sides of the insertion and extraction direction of the boss 2-1-2, so that the insertion and extraction of the boss 2-1-2 in the clamping groove 1-3-2 are facilitated. In addition, the inner side wall of the insertion hole 1-3 is also provided with a guide groove 1-3-1 extending along the insertion direction, the outer side wall of the insertion bolt 2-1 is also provided with a guide rib 2-1-1 matched with the guide groove 1-3-1, the insertion bolt 2-1 of the dust collection pipe 2 is further convenient to be inserted and matched with the insertion hole 1-3 by adopting the guide design, and the guide rib 2-1-1 further improves the structural strength of the side wall of the insertion bolt 2-1. In addition, the opening side of the insertion hole 1-3 is also provided with a limiting step 1-3-4 (shown in figure 4), the connecting end of the insertion bolt 2-1 and the connector pipe 2-2 is also provided with a shoulder 2-1-4 (shown in figure 5) matched with the limiting step 1-3-4, and the limiting step 1-3-4 and the shoulder 2-1-4 are matched to form a step-shaped contact surface, so that the matching air tightness of the dust suction pipe 2 and the insertion hole 1-3 is ensured, and dust can be prevented from leaking from the matching surface of the dust suction pipe 2 and the insertion hole 1-3.
As shown in fig. 2, the dust collecting structure of the electric tool of the present embodiment further includes a plug 3 for replacing the dust collecting tube 2, the plug 3 is adapted to the insertion hole 1-3 and detachably installed in the insertion hole 1-3, so that a user can freely select whether to use the dust collecting function, when the dust collecting function is not used, the dust collecting tube 2 can be removed, and the insertion hole 1-3 of the electric tool is plugged by the plug 3, so that the electric tool can be used more flexibly and conveniently. The structure of the sealing plug 3 is shown in figure 6, and is similar to the structure of a plug bolt 2-1 of the dust suction pipe 2, and a sealing plug guide rib 3-1 and a sealing plug boss 3-2 are also arranged on two sides of the sealing plug 3, so that the sealing plug 3 can be conveniently inserted and pulled in and out of the plug hole 1-3 for guiding and positioning. In order to facilitate the plugging and unplugging of the plugging plug 3, the plugging plug 3 can also be provided with an upper through hole and a lower through hole, so that the side wall of the plugging plug 3 can deform inwards in the plugging and unplugging process, and the plugging and unplugging of the plugging plug 3 are facilitated.
The dust collection structure of the electric tool of the embodiment can be used in various electric tools with dust collection functions, such as an electric sander and the like.
[ example 2]
As shown in fig. 1 to 10, a hand-held electric sander of the present embodiment has the dust suction structure of the electric tool of embodiment 1, that is, the electric tool of embodiment 1 is a hand-held electric sander. In the embodiment, the handheld electric sander comprises a sander main body and a dust suction pipe 2, the sander main body comprises a machine shell 1A, a driving mechanism arranged in the machine shell 1A and a working head 1B in transmission connection with the driving mechanism, the working head 1B is provided with a plurality of dust suction holes 1-1 and a connecting port 1B-1 communicated with the dust suction holes 1-1, the connecting port 1B-1 is connected with the machine shell 1A through a corrugated hose 1C, the machine shell 1A is provided with inserting holes 1-3, the inner side of the inserting holes 1-3 is provided with communicating holes 1-3-3 communicated with the pipe orifice of the corrugated hose 1C, the dust suction holes 1-1, the connecting port 1B-1, the corrugated hose 1C and the communicating holes 1-3 form a dust suction channel 1-2, the dust suction pipe 2 is detachably arranged in the inserting holes 1-3 through inserting bolts 2-1, and the dust suction port 2-1-3 on the inserting bolt 2-1 is communicated with the communicating hole 1-3-3. The joint pipe 2-2 of the dust suction pipe 2 is externally connected with a dust suction power source, so that the dust suction function of the handheld electric sander is realized.
The structural design and the working principle of the driving mechanism and the working head 1B of the sander are the same as those of the existing electric sander, and the working head 1B can adopt the structural forms of triangle, rectangle, circle and the like, so that the detailed description is omitted.
It should be noted that, the dust collection structure is not only suitable for the sander externally connected with a dust collection power source, but also suitable for the sander with self dust collection power, the sander with self dust collection power is provided with a dust collection impeller on a driving mechanism, the dust collection impeller generates dust collection negative pressure at the dust collection hole 1-1, and dust is conveyed to the dust collection pipe 2 through the dust collection channel 1-2.
According to the dust collection structure of the electric tool and the handheld electric sander with the dust collection structure, the insertion hole communicated with the dust collection channel is formed in the electric tool main body, and the detachable dust collection pipe is mounted on the insertion hole, so that the dust collection pipe can be flexibly assembled on the electric tool, the flexible arrangement of the dust collection structure on the electric tool is facilitated, and the compact design of the electric tool is facilitated; furthermore, the inserting bolt of the dust collection pipe can be matched with the inserting hole in an inserting mode from the left side and the right side, on one hand, the occupied space of the handle of the electric tool by the dust collection pipe can be reduced, the electric tool is more flexible in handheld operation, on the other hand, the direction of the dust collection pipe can be changed according to the use habits and practical use occasions of users, and the electric tool is more convenient to use.
The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the invention, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the invention.
Claims (10)
1. An electric tool dust collection structure, includes electric tool main part (1) and dust absorption pipe (2), its characterized in that: the electric tool main body (1) is provided with a dust absorption channel (1-2) and an inserting hole (1-3) communicated with the dust absorption channel (1-2), the dust absorption pipe (2) comprises a plug bolt (2-1) matched with the plug hole (1-3) and a joint pipe (2-2) arranged on one side of the plug bolt (2-1), the inserting bolt (2-1) is provided with a dust suction port (2-1-3) communicated with the joint pipe (2-2), the dust absorption pipe (2) is detachably arranged in an inserting hole (1-3) of the electric tool main body (1) through an inserting bolt (2-1), and the dust suction port (2-1-3) on the plug-in bolt (2-1) is communicated with the dust suction channel (1-2) of the electric tool main body (1).
2. The electric tool dust suction structure according to claim 1, wherein: the plug-in holes (1-3) penetrate through the electric tool main body (1) from left to right, the plug-in bolts (2-1) can be in plug-in fit with the plug-in holes (1-3) from left and right sides, and the dust collection ports (2-1-3) are communicated with the dust collection channels (1-2).
3. A power tool dust suction structure according to claim 2, wherein: the dust collection port (2-1-3) is an upper through hole and a lower through hole, an upper hole wall (1-3-5) is arranged in the insertion hole (1-3), and after the insertion bolt (2-1) is inserted into the insertion hole (1-3), an opening of one side of the dust collection port (2-1-3) departing from the dust collection channel (1-2) is sealed by the upper hole wall (1-3-5).
4. The electric tool dust suction structure according to claim 1, wherein: the included angle alpha between the axis (z1) of the joint pipe (2-2) and the handle neutral plane (m1) of the electric tool main body (1) is 30-90 degrees.
5. The electric tool dust suction structure according to any one of claims 1 to 4, wherein: a buckling structure is arranged between the inserting bolt (2-1) and the inserting hole (1-3).
6. The electric tool dust suction structure according to claim 5, wherein: the buckling structure comprises a clamping groove (1-3-2) arranged on the inner side wall of the inserting hole (1-3) and a boss (2-1-2) arranged on the outer side wall of the inserting bolt (2-1), and after the inserting bolt (2-1) is inserted into the inserting hole (1-3), the boss (2-1-2) is clamped into the corresponding clamping groove (1-3-2).
7. The electric tool dust suction structure according to claim 6, wherein: the inner side wall of the plug hole (1-3) is also provided with a guide groove (1-3-1) extending along the plug direction, and the outer side wall of the plug bolt (2-1) is also provided with a guide rib (2-1-1) matched with the guide groove (1-3-1).
8. The electric tool dust suction structure according to claim 6, wherein: the opening side of the plug hole (1-3) is also provided with a limiting step (1-3-4), and the connecting end of the plug bolt (2-1) and the connector pipe (2-2) is also provided with a shoulder (2-1-4) matched with the limiting step (1-3-4).
9. The electric tool dust suction structure according to claim 1, wherein: the dust collection pipe is characterized by further comprising a plugging plug (3) used for replacing the dust collection pipe (2), wherein the plugging plug (3) is matched with the plug hole (1-3) and is detachably arranged in the plug hole (1-3).
10. A hand-held electric sander having the electric tool dust suction structure of any one of claims 1 to 9, characterized in that: including grinder main part and dust absorption pipe (2), the grinder main part include casing (1A), install actuating mechanism in casing (1A) and working head (1B) of being connected with the actuating mechanism transmission, working head (1B) on have a plurality of dust absorption holes (1-1) and connector (1B-1) that are linked together with dust absorption hole (1-1), connector (1B-1) be connected with casing (1A) through corrugated hose (1C), casing (1A) on be equipped with spliced eye (1-3), the inboard of spliced eye (1-3) be equipped with intercommunicating pore (1-3-3) that are linked together with the mouth of pipe of corrugated hose (1C), dust absorption hole (1-1), connector (1B-1), corrugated hose (1C) and intercommunicating pore (1-3-3) constitute dust absorption channel (1-2) ) The dust suction pipe (2) is detachably arranged in the insertion hole (1-3) through the insertion bolt (2-1), and a dust suction port (2-1-3) on the insertion bolt (2-1) is communicated with the communication hole (1-3-3).
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| CN202210019779.6A CN114274049B (en) | 2022-01-10 | 2022-01-10 | Electric tool dust collection structure and handheld electric sander with same |
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| CN202210019779.6A CN114274049B (en) | 2022-01-10 | 2022-01-10 | Electric tool dust collection structure and handheld electric sander with same |
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| KR101844061B1 (en) * | 2017-04-07 | 2018-03-30 | 주석영 | Dust Collecting Cover Equipped with Grinder |
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| CN212145852U (en) * | 2020-04-08 | 2020-12-15 | 北京远东恒嘉新材料有限公司 | Polishing machine with dust collection device for machining |
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| CN1473090A (en) * | 2001-09-15 | 2004-02-04 | 罗伯特・博施有限公司 | Hand-held machine tool comprising dust box |
| US20030168122A1 (en) * | 2002-03-08 | 2003-09-11 | Shila Razlan | Hand planing machine |
| CN1688412A (en) * | 2002-10-22 | 2005-10-26 | 罗伯特·博世有限公司 | Dust collecting container for a hand electric machine-tool |
| US20040250887A1 (en) * | 2002-12-09 | 2004-12-16 | Roger Thomas | Debris collection container for a planer |
| JP2011000700A (en) * | 2009-05-19 | 2011-01-06 | Goei Seisakusho:Kk | Dustproof cover structure, grinding device, and cutting device |
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| KR101844061B1 (en) * | 2017-04-07 | 2018-03-30 | 주석영 | Dust Collecting Cover Equipped with Grinder |
| CN107411636A (en) * | 2017-08-21 | 2017-12-01 | 珠海格力电器股份有限公司 | Dust suction subassembly and dust catcher |
| CN209175472U (en) * | 2018-12-21 | 2019-07-30 | 郑州三惠机械设备有限公司 | A kind of polishing and grinding head of manual rubbing down device and manual rubbing down device using the polishing and grinding head |
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|---|---|
| CN114274049B (en) | 2023-03-21 |
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